createPoller

import { createPoller } from "@zopay/js";

const poller = createPoller(options);

function createPoller(options: CreatePollerOptions): Poller;

{
  start(): void;
  stop(): void;
  refresh(): void;
  getPhase(): "idle" | "polling" | "completed" | "failed" | "expired";
  getLastStatus(): StatusInfo | null;
}

import { createPoller } from "@zopay/js";

const poller = createPoller({
  checkStatus: async () => {
    const res = await fetch(`/api/zopay/status/${intent.id}`);
    return normalizeIntent(await res.json());
  },
  pollIntervalMs: 3000,
  timeoutMs: 15 * 60 * 1000,
  onSuccess: (info) => {
    document.getElementById("amount-received").textContent = String(info.amountReceived);
    showSuccessScreen(info);
  },
  onError:   (info) => showErrorScreen(info),
  onExpire:  ()     => showExpiredScreen(),
});

poller.start();

// En algún botón "verificar ahora":
button.onclick = () => poller.refresh();

// Al desmontar:
poller.stop();